Subway Song

For me the best version of this song is the one that appears in Curiosity, despite the quality of the sound. This song played properly could be a masterpiece, could be extended, there is a goldmine here!
(I might open a thread -I don't know where- where certain songs could be discussed: the ones that have been played in an extended version over the years (faith, a forest, why can't I be you?, etc), and the ones that could be extended...